DE1252198B - - Google Patents
Info
- Publication number
- DE1252198B DE1252198B DENDAT1252198D DE1252198DA DE1252198B DE 1252198 B DE1252198 B DE 1252198B DE NDAT1252198 D DENDAT1252198 D DE NDAT1252198D DE 1252198D A DE1252198D A DE 1252198DA DE 1252198 B DE1252198 B DE 1252198B
- Authority
- DE
- Germany
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C273/00—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
- C07C273/02—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds
- C07C273/04—Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of urea, its salts, complexes or addition compounds from carbon dioxide and ammonia
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH859760A CH387015A (de) | 1960-07-28 | 1960-07-28 | Verfahren zur Rückführung von Kohlendioxyd und Ammoniak bei der Harnstoffsynthese |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1252198B true DE1252198B (it) | 1900-01-01 |
Family
ID=4342422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT1252198D Pending DE1252198B (it) | 1960-07-28 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3248425A (it) |
| BE (1) | BE605557A (it) |
| CH (1) | CH387015A (it) |
| DE (1) | DE1252198B (it) |
| DK (1) | DK104885C (it) |
| FI (1) | FI40710B (it) |
| GB (1) | GB983812A (it) |
| NL (1) | NL265331A (it) |
| SE (1) | SE308517B (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3541146A (en) * | 1966-11-29 | 1970-11-17 | Inventa Ag | Process for the separation and recirculation of unreacted starting gases in the urea synthesis |
| US3668250A (en) * | 1969-08-19 | 1972-06-06 | Chemical Construction Corp | Urea synthesis process |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1429483A (en) * | 1920-07-09 | 1922-09-19 | Basf Ag | Process of manufacturing urea |
| DE372262C (de) * | 1920-08-17 | 1923-03-26 | Basf Ag | Verfahren zur Darstellung von Harnstoff |
| US2848493A (en) * | 1955-06-27 | 1958-08-19 | Allied Chem | Process for synthesis of urea |
-
0
- DE DENDAT1252198D patent/DE1252198B/de active Pending
- NL NL265331D patent/NL265331A/xx unknown
-
1960
- 1960-07-28 CH CH859760A patent/CH387015A/de unknown
-
1961
- 1961-05-04 DK DK182961AA patent/DK104885C/da active
- 1961-05-13 FI FI0942/61A patent/FI40710B/fi active
- 1961-06-29 BE BE605557A patent/BE605557A/fr unknown
- 1961-07-11 US US123293A patent/US3248425A/en not_active Expired - Lifetime
- 1961-07-26 SE SE7664/61A patent/SE308517B/xx unknown
- 1961-07-28 GB GB27494/61A patent/GB983812A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK104885C (da) | 1966-07-18 |
| BE605557A (fr) | 1961-11-16 |
| GB983812A (en) | 1965-02-17 |
| SE308517B (it) | 1969-02-17 |
| US3248425A (en) | 1966-04-26 |
| CH387015A (de) | 1965-01-31 |
| FI40710B (it) | 1969-01-31 |
| NL265331A (it) | 1900-01-01 |